Home / 453,257,781.60-679,886,672.40-415,466,421.60

Finding the Fourth Proportional to 453,257,781.60, 679,886,672.40 and 415,466,421.60

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Solution

The fourth proportional to 453,257,781.60, 679,886,672.40 and 415,466,421.60 is: 623,199,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,257,781.60 : 679,886,672.40 = 415,466,421.60 : x
  2. Step 2: Convert to fraction form
    453,257,781.60/679,886,672.40 = 415,466,421.60/x
  3. Step 3: Cross multiply
    453,257,781.60x = 679,886,672.40 × 415,466,421.60
  4. Step 4: Simplify right side
    453,257,781.60x = 282,470,082,875,559,488
  5. Step 5: Solve for x
    x = 282,470,082,875,559,488/453,257,781.60
  6. Step 6: Final answer
    x = 623,199,632.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.